Dong Dong Zhang

Beijing Saiyouzhi Education Co. Ltd. develops a mobile application that offers a question bank for school education. The company is based in Beijing, China. The Chinese company was founded in 2014 by Dong Dong Zhang.

Minsheng Securities Co., Ltd. is a subsidiary of Minsheng Securities Co. that was established in 2012 and is a Chinese private equity investment fund management company approved by the China Securities Regulatory Commission. The company is based in Beijing, China. and has subsidiaries in China. It has a full range of business qualifications approved by the China Securities Regulatory Commission, including securities brokerage, underwriting, and sponsorship. The company was founded in 1986 and has a registered capital of 4,580,607,669 yuan. The CEO is Xiao Quan Zhou. Minsheng Securities Co. was acquired by Minsheng Securities Co. Ltd. /Private Group/ from Oceanwide Holdings Co., Ltd. (Beijing) on October 21, 2020 for $616.93 million.